#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
using namespace std;
void we(char* w)
{
	*w = 'b';
}
int main()
{
	char* p;
	char a = 'c';
	p = &a;
	cout << a << endl;
	we(p);
	cout << a << endl;

	return 0;
}